查询词典 capacitance

The quantum effect of mesoscopic inductance-capacitance coupled circuit with mutual inductance was investigated by canonical transformation and unitary transformation.

利用正则变换和幺正变换的方法研究了有互感的介观电感电容耦合电路的量子效应，并把介观电感电容耦合电路和另外几种耦合电路进行了比较。

It is indicated that the current and capacitance model is continuous and accurate across the linear and saturation regions without any unphysical interpolation scheme.

电流和电容模型在线性区和饱和区都是连续和准确的，不需要没有物理意义的光滑处理。

Direct current with the positive pole earthed and the negative pole connected to the test electrode by means of a low capacitance unscreened lead.

b直流电源的正极接地，负极由一根低电容的非遮罩电线与试验电极连接。电源输出电压应为脉动因数不大於5%的直流电压。

B Direct current with the positive pole earthed and the negative pole connected to the test electrode by means of a low capacitance unscreened lead.

b直流电源的正极接地，负极由一根低电容的非屏蔽电线与试验电极连接。电源输出电压应为脉动因数不大于5%的直流电压。

First, the Lyapunov functional and variation of constants method are adopted to study the effect that Sigmoid function and the relation of resistance, capacitance and current in Hopfield neural networks have on the stability of networks. The stability criterion constructed by physics parameters is obtained. Thus how the constrained relation of physics parameters affects the stability of Hopfielf neural networks is clear. Based on the study above, the perturbation model of recurrent neural networks is constructed. And the theorems of the existence of solution of perturbation model are presented.

首先，采用Lyapunov泛函法和常数变易法研究Hopfield神经网络中给出的电阻、电容、电流之间的关系以及Sigmoid函数对网络稳定性的影响规律，得出仅由物理模型参数构成的稳定性判据，从而弄清物理模型参数约束关系对Hopfield神经网络稳定性所起的作用，在此基础上，构建了递归神经网络的扰动模型，并通过讨论扰动模型解的存在性问题，给出递归神经网络扰动模型解的存在性定理。

Because of the use of Lorentz gauge, the extraction of capacitance matrix can be avoided and replaced by the calculation of the divergence of vector potential, which has much less amount of computation.

但在新模型中，由于用洛仑兹规范代替了标量电位的积分表达式，电容矩阵的提取就可免去，而代之以数量大为减少的矢量磁位散度的计算。

Two mathematical models have been deduced in the case of dense-phase and light-phase conveying respectively. Combining the capacitance phase concentration sensor designed and the traditional Venturi flow meter, the powder velocity and instantaneous mass flowrate are obtained by measuring concentration and differential pressure signal.

本文最后提出了一种差压—浓度法测量气/固两相流瞬时质量流量的新方法，分别建立了稀相和浓相输送情况下的粉料速度和流量测量的数学模型，即将所研制的电容式相浓度传感器与传统的文丘里流量计相结合，通过测量浓度信号及差压信号，求得粉料的传送速度及其瞬时质量流量。

Electromagnetic voltage transformer and capacitance divider are usually used to get voltage signal in power system.

目前电力系统电压信号的采集，大多采用电磁式电压互感器和电容式分压器。

However, to be useful, they must be characterized for capacitance value, voltage rating, temperature coefficient, and leakage resistance.

然而，要使用电容器就必须明白其特性：包括电容值、额定电压值、温度系数以及泄漏电阻等。

At present, OTA circuit is designed the best circuit with minimum error generally acknowledgedly, and possessed three following advantages at the same time: using single-ended-input OTAs (overcoming the feed-through effect due to the use of differential-input OTAs), using grouded capacitors (absorbing the shunt parasitic capacitance), and using the minimum components and all the parasitic capacitances have the same places as those of all the given capacitors in the realized circuits.

目前为止，OTA电路是被公认设计最佳且误差最小的电路，且同时具备了以下三项优点：(1)使用单端输入的OTA(可免除寄生电容的Feed-through效应)，(2)使用接地电容，(3)使用最少的主动元件，且所有外加电容位置恰好与所有寄生电容的位置相同，吸收了寄生电容，并减少寄生效应对整体电路的影响。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。